🔖 Excerpt from Observations sur la Physique, sur l'Histoire Naturelle Et sur les Arts, Vol. 21: Avec des Planches en Taille-Douce; Dédiées A Mgr. Le Comte d'Artois; Supplément, 1782Avant Defiar£oe aient tâché d'ap_ rofondir ges lÿèoes également que ceux de fe coe£uoe,.quiontùou u réformetfes About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.